if (document.images)
{

var photo1 = new Image(200,300);
photo1.src = "gallery/pirates178.jpg";

var photo2 = new Image(200,300);
photo2.src = "gallery/calamitydance.jpg";

var photo3 = new Image(200,300);
photo3.src = "gallery/iolanthe161.jpg";

var photo4 = new Image(200,300);
photo4.src = "gallery/fiddler10.jpg";

}